Home / 115,859.12-173,631.48-49,215.68

Finding the Fourth Proportional to 115,859.12, 173,631.48 and 49,215.68

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Solution

The fourth proportional to 115,859.12, 173,631.48 and 49,215.68 is: 73,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,859.12 : 173,631.48 = 49,215.68 : x
  2. Step 2: Convert to fraction form
    115,859.12/173,631.48 = 49,215.68/x
  3. Step 3: Cross multiply
    115,859.12x = 173,631.48 × 49,215.68
  4. Step 4: Simplify right side
    115,859.12x = 8,545,391,357.61
  5. Step 5: Solve for x
    x = 8,545,391,357.61/115,859.12
  6. Step 6: Final answer
    x = 73,756.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.